Advanced Techniques > Advanced Grafting Discussion

Grafting JBP in fall

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bwaynef:

--- Quote from: Brian Van Fleet on July 14, 2013, 09:15 AM ---I think Ryan's caveat was fall grafting is good, if the tree can be protected from freezing over the winter.

--- End quote ---

His actual words: "Right now, one of the things that's been happening lately, I don't know if its happening around the country or not, but for us in Oregon, we've realized that grafting in the fall is actually more successful than grafting in the spring."

(I covered the caveat in my opening post.)

Gaffer:
I am going to regraft my failures from the spring this fall and compare. I am on the west coast same climate as coastal Oregon, ocean not quite as cold. Rarely do we get snow and some winters we miss frosts. See how it goes.

John Kirby:
Wayne, I would think fall would work fine. In milder winter climates I would certainly think October-December would be as good (if not better than)January-March. Some years I would bet your pines are starting to push good  at the end of February. With Approach Grafts it is a go whenever the sap isn't flowing at peak.

Adair M:
Peter Tea came to the Atlanta Bonsai Society today to do a couple of workshops.  I was there with my big JBP to add another approach graft to the same tree that Boon had grafted in May.  I had left a couple of branches undecandled for Peter to choose from. 

The scion we finally chose was fairly small, so we didn't have to use staples to hold it in place, we used push pins.  Not through the scion, but rather on either side of it, letting the plastic part hold the scion in place.

We had so much fun, we did two more approach grafts on another JBP.  This time, they weren't on the trunk, but rather to branches to make secondary branches closer to the trunk.

And then...

We talked about "side grafting".  Which is regular scion grafting.  And Peter said he thought that in our Southern climate, we should be successful side grafting in the fall.  The reason being that while the sap is moving, it's not moving as much as it does in spring.  And excess sap movement can push the scion out, or out of position.  So, the moderate sap movement in fall makes grafting work well.

And, he demonstrated his method of wrapping JBP scions in that wrap Ryan talked about.  (Sorry, I forget the name of the stuff.)  Ryan wraps the scion all the way, and then twists the tip end so it is completely enclosed.  Then later he comes back to open it up. 

Peter does something similar, but he leaves the very last tip end open.  Like a half a millimeter.  just to prevent excess humidity from rotting the scion.  He does the same thing with juniper scions, too.

Chrisl:
Cool Adair!  Boy, are you having some great luck/opportunity to learn some great stuff from very knowledgable people recently.
Thanks for sharing your optimism! ;)

Chris

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